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    • 27. 发明授权
    • Derivatives of bicyclic lactols
    • 双环乳糖的衍生物
    • US4257962A
    • 1981-03-24
    • US942819
    • 1978-09-15
    • Tibor SzaboLaszlo InstitorisGabor KovacsGyula DalmadiBela KoszegiIstvan Stadler
    • Tibor SzaboLaszlo InstitorisGabor KovacsGyula DalmadiBela KoszegiIstvan Stadler
    • C07C405/00A61K31/34A61K31/343A61P7/02A61P25/02A61P35/00C07D307/935
    • C07D307/935
    • Racemic or optically active compounds with antitumor activity of the formula: ##STR1## wherein X is oxygen or sulfur;R.sup.1 is hydrogen, C.sub.1 to C.sub.4 alkanoyl, benzoyl or phenyl-substituted benzoyl;R.sup.2 is hydrogen or C.sub.1 to C.sub.4 alkanoyl;R.sup.3 is C.sub.2 to C.sub.40 straight or branched chain alkyl substituted by hydroxy, epoxy, amino, C.sub.1 to C.sub.6 alkylamino, C.sub.1 to C.sub.6 dialkylamino, C.sub.1 to C.sub.6 alkanoyloxy or, C.sub.1 to C.sub.4 alkoxycarbonyl; cyclohexyl, phenyl unsubstituted or substituted by halogen, amino, C.sub.1 to C.sub.4 alkyl-substituted amino, C.sub.1 to C.sub.4 alkoxy, nitro, or hydroxy; C.sub.1 to C.sub.6 alkanoyl; allyl or phenyl-C.sub.1 to C.sub.4 alkyl unsubstituted or substituted by a C.sub.2 to C.sub.6 alkene group; or where X is sulfur R.sup.3 is as defined above or is C.sub.1 to C.sub.40 straight or branched chain alkyl; and.about. represents the exo- or endo-steric position in the ring and indicates an .alpha.- or .beta.-steric position in the side chain are disclosed.
    • 具有下式的抗肿瘤活性的外消旋或光学活性化合物:其中X是氧或硫; R1是氢,C1至C4烷酰基,苯甲酰基或苯基取代的苯甲酰基; R2是氢或C1-C4烷酰基; R3为C2至C40被羟基,环氧基,氨基,C1至C6烷基氨基,C1至C6二烷基氨基,C1至C6烷酰氧基或C1至C4烷氧基羰基取代的直链或支链烷基; 环己基,未取代或被卤素取代的苯基,氨基,C1至C4烷基取代的氨基,C1至C4烷氧基,硝基或羟基; C1至C6烷酰基; 烯丙基或未被取代或被C2至C6烯基取代的苯基-C1至C4烷基; 或其中X为硫的R 3如上所定义或为C 1至C 40直链或支链烷基; 而DIFFERENCE表示环中的外 - 或内 - 立体位置,并且表示侧链中的α或β-甾族位置。
    • 28. 发明授权
    • Remote release leash
    • 远程释放皮带
    • US4149492A
    • 1979-04-17
    • US770778
    • 1977-02-22
    • Gabor Kovacs
    • Gabor Kovacs
    • A01K27/00F16G11/10
    • A01K27/005
    • A remote release leash for a dog collar including a hand held actuator at one end, a latch at the other end, and a tube joining the actuator and latch. The latch includes a bolt, spring biased to the closed position. The actuator includes a plunger spring biased to the released position. A wire running through the tube joins the plunger to the bolt. A button in the actuator holds the plunger in the armed position, allowing the spring biased bolt to remain closed. Depression of the button releases the plunger for rearward translation, thereby to draw on the wire and pull the bolt open to release the dog. The independent biasing of the actuator and the latch allows multiple dog operation wherein a single actuator may control two or more latches. Furthermore, a transition piece may be provided to allow a single actuator to be used with any of a series of single, multiple, or elongated latching elements.
    • 用于狗颈的远程释放带,包括一端的手持致动器,另一端的闩锁,以及连接致动器和闩锁的管。 闩锁包括螺栓,弹簧偏压到关闭位置。 致动器包括偏置到释放位置的柱塞弹簧。 穿过管的线将柱塞连接到螺栓。 执行器中的按钮将柱塞保持在备用位置,允许弹簧偏压螺栓保持关闭。 按钮的按压释放柱塞用于向后平移,从而在电线上拉动并拉开螺栓以释放狗。 致动器和闩锁的独立偏置允许多个操作,其中单个致动器可以控制两个或多个闩锁。 此外,可以设置过渡件以允许单个致动器与一系列单个,多个或细长的闩锁元件中的任何一个一起使用。